All Birds Women Tree Breezers Ballet Flats Classics in Natural Black/Stormy Grey Women size Gently preowned conditions No stains No holes Gently worn Allbirds Tree Breezers in a classic charcoal black color. These flats are incredibly comfortable, lightweight, and breathable—perfect for all-day wear whether you’re commuting, working, or running errands. Made from sustainable materials with a flexible knit upper and cushioned sole. Stylish and eco-conscious! Lightweight, breathable, and effortlessly sleek, the Tree Breezer is your go-to flat. It has a carbon footprint of 2.7 kg CO2e. Learn more about carbon footprint labeling and our commitments to reduce our impact. Best For: Day-to-night, warmer weather, everyday wear Thermoregulating Material: Lightweight, breathable eucalyptus fiber provides next-level comfort Versatile Design: Wear-with-everything classic style, great for the office Sustainable Materials: FSC-certified TENCEL™ Lyocell (eucalyptus tree fiber) upper SweetFoam® midsole made with sugarcane-based green EVA Castor bean oil-based insole foam #Allbirds #TreeBreezers #EcoFriendly #ComfortShoes #Flats #SustainableFashion #BlackFlats #MinimalistStyle #Workwear #CasualChic #TravelFriendly #LightweightShoe Questions? Leave a comment below!